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This work describes algorithms for performing discrete object detection, specifically in the case of buildings, where usually only low quality RGB-only geospatial reflective imagery is available. We utilize new candidate search and feature…

计算机视觉与模式识别 · 计算机科学 2016-03-15 Joseph Paul Cohen , Wei Ding , Caitlin Kuhlman , Aijun Chen , Liping Di

Tomographic SAR (TomoSAR) inversion of urban areas is an inherently sparse reconstruction problem and, hence, can be solved using compressive sensing (CS) algorithms. This paper proposes solutions for two notorious problems in this field:…

计算机视觉与模式识别 · 计算机科学 2019-05-22 Yilei Shi , Xiao Xiang Zhu , Richard Bamler

High-resolution is a key trend in the development of synthetic aperture radar (SAR), which enables the capture of fine details and accurate representation of backscattering properties. However, traditional high-resolution SAR imaging…

信号处理 · 电气工程与系统科学 2023-04-11 Guoru Zhou , Zhongqiu Xu , Yizhe Fan , Zhe Zhang , Xiaolan Qiu , Bingchen Zhang , Kun Fu , Yirong Wu

Array synthetic aperture radar (Array-SAR), also known as tomographic SAR (TomoSAR), has demonstrated significant potential for high-quality 3D mapping, particularly in urban areas.While deep learning (DL) methods have recently shown…

图像与视频处理 · 电气工程与系统科学 2024-12-24 Yu Ren , Xu Zhan , Yunqiao Hu , Xiangdong Ma , Liang Liu , Mou Wang , Jun Shi , Shunjun Wei , Tianjiao Zeng , Xiaoling Zhang

Multi-baseline interferometric synthetic aperture radar (InSAR) techniques are effective approaches for retrieving the 3-D information of urban areas. In order to obtain a plausible reconstruction, it is necessary to use more than twenty…

图像与视频处理 · 电气工程与系统科学 2020-12-02 Yilei Shi , Richard Bamler , Yuanyuan Wang , Xiao Xiang Zhu

We propose a novel approach for generating high quality visible-like images from Synthetic Aperture Radar (SAR) images using Deep Convolutional Generative Adversarial Network (GAN) architectures. The proposed approach is based on a cascaded…

计算机视觉与模式识别 · 计算机科学 2018-02-28 Puyang Wang , Vishal M. Patel

Neural surface reconstruction (NSR) has recently shown strong potential for urban 3D reconstruction from multi-view aerial imagery. However, existing NSR methods often suffer from geometric ambiguity and instability, particularly under…

计算机视觉与模式识别 · 计算机科学 2026-01-30 Da Li , Chen Yao , Tong Mao , Jiacheng Bao , Houjun Sun

Accurate estimation of building heights is essential for urban planning, infrastructure management, and environmental analysis. In this study, we propose a supervised Multimodal Building Height Regression Network (MBHR-Net) for estimating…

计算机视觉与模式识别 · 计算机科学 2023-07-06 Ritu Yadav , Andrea Nascetti , Yifang Ban

Building Information Modelling (BIM) software use scalable vector formats to enable flexible designing of floor plans in the industry. Floor plans in the architectural domain can come from many sources that may or may not be in scalable…

计算机视觉与模式识别 · 计算机科学 2021-12-21 Dev Khare , N S Kamal , Barathi Ganesh HB , V Sowmya , V V Sajith Variyar

Quick and automated earthquake-damaged building detection from post-event satellite imagery is crucial, yet it is challenging due to the scarcity of training data required to develop robust algorithms. This letter presents the first dataset…

图像与视频处理 · 电气工程与系统科学 2024-04-08 Yao Sun , Yi Wang , Michael Eineder

Land-use classification based on spaceborne or aerial remote sensing images has been extensively studied over the past decades. Such classification is usually a patch-wise or pixel-wise labeling over the whole image. But for many…

计算机视觉与模式识别 · 计算机科学 2018-02-27 Jian Kang , Marco Körner , Yuanyuan Wang , Hannes Taubenböck , Xiao Xiang Zhu

Images generated by high-resolution SAR have vast areas of application as they can work better in adverse light and weather conditions. One such area of application is in the military systems. This study is an attempt to explore the…

图像与视频处理 · 电气工程与系统科学 2023-03-29 Aakash Singh , Vivek Kumar Singh

Ship target recognition is a vital task in synthetic aperture radar (SAR) imaging applications. Although convolutional neural networks have been successfully employed for SAR image target recognition, surpassing traditional algorithms, most…

信号处理 · 电气工程与系统科学 2023-05-16 Dandan Zhao , Zhe Zhang , Dongdong Lu , Jian Kang , Xiaolan Qiu , Yirong Wu

Forward-looking sonar can capture high resolution images of underwater scenes, but their interpretation is complex. Generic object detection in such images has not been solved, specially in cases of small and unknown objects. In comparison,…

计算机视觉与模式识别 · 计算机科学 2017-09-11 Matias Valdenegro-Toro

Multi-baseline interferometric synthetic aperture radar (InSAR) techniques are effective approaches for retrieving the 3-D information of urban areas. In order to obtain a plausible reconstruction, it is necessary to use large-stack…

计算机视觉与模式识别 · 计算机科学 2023-05-09 Yilei Shi , Richard Bamler , Yuanyuan Wang , Xiao Xiang Zhu

Establishing up-to-date large scale building maps is essential to understand urban dynamics, such as estimating population, urban planning and many other applications. Although many computer vision tasks has been successfully carried out…

计算机视觉与模式识别 · 计算机科学 2018-05-24 Hsiuhan Lexie Yang , Jiangye Yuan , Dalton Lunga , Melanie Laverdiere , Amy Rose , Budhendra Bhaduri

Accurate building segmentation from high-resolution RGB imagery remains challenging due to spectral similarity with non-building features, shadows, and irregular building geometries. In this study, we present a comprehensive deep learning…

计算机视觉与模式识别 · 计算机科学 2025-05-09 Chintan B. Maniyar , Minakshi Kumar , Gengchen Mai

Recognizing arbitrary multi-character text in unconstrained natural photographs is a hard problem. In this paper, we address an equally hard sub-problem in this domain viz. recognizing arbitrary multi-digit numbers from Street View imagery.…

计算机视觉与模式识别 · 计算机科学 2014-04-15 Ian J. Goodfellow , Yaroslav Bulatov , Julian Ibarz , Sacha Arnoud , Vinay Shet

Building segmentation from aerial images and 3D laser scanning (LiDAR) is a challenging task due to the diversity of backgrounds, building textures, and image quality. While current research using different types of convolutional and…

计算机视觉与模式识别 · 计算机科学 2023-01-18 Lei Li , Tianfang Zhang , Stefan Oehmcke , Fabian Gieseke , Christian Igel

Convolutional neural networks (CNN) have made great progress for synthetic aperture radar (SAR) images change detection. However, sampling locations of traditional convolutional kernels are fixed and cannot be changed according to the…

计算机视觉与模式识别 · 计算机科学 2021-04-07 Junjie Wang , Feng Gao , Junyu Dong